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| US4411107 | 3 dec 1980 | 25 okt 1983 | Disco Co., Ltd. | Grinding wheel for flat plates |
| US4545154 | 15 aug 1983 | 8 okt 1985 | Disco Co., Ltd. | Grinding wheel for flat plates |
| US4617766 | 26 jun 1985 | 21 okt 1986 | Disco Co., Ltd. | Grinding wheel for flat plates |
| US5259148 | 12 nov 1991 | 9 nov 1993 | | Ring generator wheel with improved coolant flow |
| US5637037 | 22 jun 1994 | 10 jun 1997 | Sandvik AB | Method and grinding cup for grinding buttons of a rock drilling bit |
| US5885136 | 12 aug 1996 | 23 mar 1999 | | Methods and apparatus for supplying flushing fluid to a grinding head |
| US5993297 | 9 dec 1996 | 30 nov 1999 | Makino Inc. | Superabrasive grinding wheel with integral coolant passage |
| US6129619 | 18 mar 1999 | 10 okt 2000 | Sandvik AB | Methods and apparatus for supplying flushing fluid to a grinding head |
| US6966826 | 10 okt 2001 | 22 nov 2005 | Disco Corporation | Grinding wheel |
| US8182311 | 29 dec 2008 | 22 maj 2012 | Universal Photonics, LLC | Device for abrasive machining |
